Integrand size = 24, antiderivative size = 113 \[ \int e^{-2 \text {arctanh}(a x)} \left (c-\frac {c}{a x}\right )^{3/2} \, dx=\frac {c \sqrt {c-\frac {c}{a x}}}{a}-\left (c-\frac {c}{a x}\right )^{3/2} x+\frac {7 c^{3/2} \text {arctanh}\left (\frac {\sqrt {c-\frac {c}{a x}}}{\sqrt {c}}\right )}{a}-\frac {8 \sqrt {2} c^{3/2} \text {arctanh}\left (\frac {\sqrt {c-\frac {c}{a x}}}{\sqrt {2} \sqrt {c}}\right )}{a} \] Output:
c*(c-c/a/x)^(1/2)/a-(c-c/a/x)^(3/2)*x+7*c^(3/2)*arctanh((c-c/a/x)^(1/2)/c^ (1/2))/a-8*2^(1/2)*c^(3/2)*arctanh(1/2*(c-c/a/x)^(1/2)*2^(1/2)/c^(1/2))/a
Time = 0.07 (sec) , antiderivative size = 96, normalized size of antiderivative = 0.85 \[ \int e^{-2 \text {arctanh}(a x)} \left (c-\frac {c}{a x}\right )^{3/2} \, dx=\frac {c \sqrt {c-\frac {c}{a x}} (2-a x)+7 c^{3/2} \text {arctanh}\left (\frac {\sqrt {c-\frac {c}{a x}}}{\sqrt {c}}\right )-8 \sqrt {2} c^{3/2} \text {arctanh}\left (\frac {\sqrt {c-\frac {c}{a x}}}{\sqrt {2} \sqrt {c}}\right )}{a} \] Input:
Integrate[(c - c/(a*x))^(3/2)/E^(2*ArcTanh[a*x]),x]
Output:
(c*Sqrt[c - c/(a*x)]*(2 - a*x) + 7*c^(3/2)*ArcTanh[Sqrt[c - c/(a*x)]/Sqrt[ c]] - 8*Sqrt[2]*c^(3/2)*ArcTanh[Sqrt[c - c/(a*x)]/(Sqrt[2]*Sqrt[c])])/a
Time = 0.41 (sec) , antiderivative size = 127, normalized size of antiderivative = 1.12, number of steps used = 12, number of rules used = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.458, Rules used = {6683, 1035, 281, 899, 109, 27, 171, 27, 174, 73, 221}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int e^{-2 \text {arctanh}(a x)} \left (c-\frac {c}{a x}\right )^{3/2} \, dx\) |
\(\Big \downarrow \) 6683 |
\(\displaystyle \int \frac {(1-a x) \left (c-\frac {c}{a x}\right )^{3/2}}{a x+1}dx\) |
\(\Big \downarrow \) 1035 |
\(\displaystyle \int \frac {\left (\frac {1}{x}-a\right ) \left (c-\frac {c}{a x}\right )^{3/2}}{a+\frac {1}{x}}dx\) |
\(\Big \downarrow \) 281 |
\(\displaystyle -\frac {a \int \frac {\left (c-\frac {c}{a x}\right )^{5/2}}{a+\frac {1}{x}}dx}{c}\) |
\(\Big \downarrow \) 899 |
\(\displaystyle \frac {a \int \frac {\left (c-\frac {c}{a x}\right )^{5/2} x^2}{a+\frac {1}{x}}d\frac {1}{x}}{c}\) |
\(\Big \downarrow \) 109 |
\(\displaystyle \frac {a \left (-\frac {\int \frac {c^2 \left (7 a-\frac {1}{x}\right ) \sqrt {c-\frac {c}{a x}} x}{2 a \left (a+\frac {1}{x}\right )}d\frac {1}{x}}{a}-\frac {c x \left (c-\frac {c}{a x}\right )^{3/2}}{a}\right )}{c}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {a \left (-\frac {c^2 \int \frac {\left (7 a-\frac {1}{x}\right ) \sqrt {c-\frac {c}{a x}} x}{a+\frac {1}{x}}d\frac {1}{x}}{2 a^2}-\frac {c x \left (c-\frac {c}{a x}\right )^{3/2}}{a}\right )}{c}\) |
\(\Big \downarrow \) 171 |
\(\displaystyle \frac {a \left (-\frac {c^2 \left (2 \int \frac {c \left (7 a-\frac {9}{x}\right ) x}{2 \left (a+\frac {1}{x}\right ) \sqrt {c-\frac {c}{a x}}}d\frac {1}{x}-2 \sqrt {c-\frac {c}{a x}}\right )}{2 a^2}-\frac {c x \left (c-\frac {c}{a x}\right )^{3/2}}{a}\right )}{c}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {a \left (-\frac {c^2 \left (c \int \frac {\left (7 a-\frac {9}{x}\right ) x}{\left (a+\frac {1}{x}\right ) \sqrt {c-\frac {c}{a x}}}d\frac {1}{x}-2 \sqrt {c-\frac {c}{a x}}\right )}{2 a^2}-\frac {c x \left (c-\frac {c}{a x}\right )^{3/2}}{a}\right )}{c}\) |
\(\Big \downarrow \) 174 |
\(\displaystyle \frac {a \left (-\frac {c^2 \left (c \left (7 \int \frac {x}{\sqrt {c-\frac {c}{a x}}}d\frac {1}{x}-16 \int \frac {1}{\left (a+\frac {1}{x}\right ) \sqrt {c-\frac {c}{a x}}}d\frac {1}{x}\right )-2 \sqrt {c-\frac {c}{a x}}\right )}{2 a^2}-\frac {c x \left (c-\frac {c}{a x}\right )^{3/2}}{a}\right )}{c}\) |
\(\Big \downarrow \) 73 |
\(\displaystyle \frac {a \left (-\frac {c^2 \left (c \left (\frac {32 a \int \frac {1}{2 a-\frac {a}{c x^2}}d\sqrt {c-\frac {c}{a x}}}{c}-\frac {14 a \int \frac {1}{a-\frac {a}{c x^2}}d\sqrt {c-\frac {c}{a x}}}{c}\right )-2 \sqrt {c-\frac {c}{a x}}\right )}{2 a^2}-\frac {c x \left (c-\frac {c}{a x}\right )^{3/2}}{a}\right )}{c}\) |
\(\Big \downarrow \) 221 |
\(\displaystyle \frac {a \left (-\frac {c^2 \left (c \left (\frac {16 \sqrt {2} \text {arctanh}\left (\frac {\sqrt {c-\frac {c}{a x}}}{\sqrt {2} \sqrt {c}}\right )}{\sqrt {c}}-\frac {14 \text {arctanh}\left (\frac {\sqrt {c-\frac {c}{a x}}}{\sqrt {c}}\right )}{\sqrt {c}}\right )-2 \sqrt {c-\frac {c}{a x}}\right )}{2 a^2}-\frac {c x \left (c-\frac {c}{a x}\right )^{3/2}}{a}\right )}{c}\) |
Input:
Int[(c - c/(a*x))^(3/2)/E^(2*ArcTanh[a*x]),x]
Output:
(a*(-((c*(c - c/(a*x))^(3/2)*x)/a) - (c^2*(-2*Sqrt[c - c/(a*x)] + c*((-14* ArcTanh[Sqrt[c - c/(a*x)]/Sqrt[c]])/Sqrt[c] + (16*Sqrt[2]*ArcTanh[Sqrt[c - c/(a*x)]/(Sqrt[2]*Sqrt[c])])/Sqrt[c])))/(2*a^2)))/c
Int[(a_)*(Fx_), x_Symbol] :> Simp[a Int[Fx, x], x] /; FreeQ[a, x] && !Ma tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> With[ {p = Denominator[m]}, Simp[p/b Subst[Int[x^(p*(m + 1) - 1)*(c - a*(d/b) + d*(x^p/b))^n, x], x, (a + b*x)^(1/p)], x]] /; FreeQ[{a, b, c, d}, x] && Lt Q[-1, m, 0] && LeQ[-1, n, 0] && LeQ[Denominator[n], Denominator[m]] && IntL inearQ[a, b, c, d, m, n, x]
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_) )^(p_), x_] :> Simp[(b*c - a*d)*(a + b*x)^(m + 1)*(c + d*x)^(n - 1)*((e + f *x)^(p + 1)/(b*(b*e - a*f)*(m + 1))), x] + Simp[1/(b*(b*e - a*f)*(m + 1)) Int[(a + b*x)^(m + 1)*(c + d*x)^(n - 2)*(e + f*x)^p*Simp[a*d*(d*e*(n - 1) + c*f*(p + 1)) + b*c*(d*e*(m - n + 2) - c*f*(m + p + 2)) + d*(a*d*f*(n + p) + b*(d*e*(m + 1) - c*f*(m + n + p + 1)))*x, x], x], x] /; FreeQ[{a, b, c, d, e, f, p}, x] && LtQ[m, -1] && GtQ[n, 1] && (IntegersQ[2*m, 2*n, 2*p] || IntegersQ[m, n + p] || IntegersQ[p, m + n])
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_) )^(p_)*((g_.) + (h_.)*(x_)), x_] :> Simp[h*(a + b*x)^m*(c + d*x)^(n + 1)*(( e + f*x)^(p + 1)/(d*f*(m + n + p + 2))), x] + Simp[1/(d*f*(m + n + p + 2)) Int[(a + b*x)^(m - 1)*(c + d*x)^n*(e + f*x)^p*Simp[a*d*f*g*(m + n + p + 2 ) - h*(b*c*e*m + a*(d*e*(n + 1) + c*f*(p + 1))) + (b*d*f*g*(m + n + p + 2) + h*(a*d*f*m - b*(d*e*(m + n + 1) + c*f*(m + p + 1))))*x, x], x], x] /; Fre eQ[{a, b, c, d, e, f, g, h, n, p}, x] && GtQ[m, 0] && NeQ[m + n + p + 2, 0] && IntegersQ[2*m, 2*n, 2*p]
Int[(((e_.) + (f_.)*(x_))^(p_)*((g_.) + (h_.)*(x_)))/(((a_.) + (b_.)*(x_))* ((c_.) + (d_.)*(x_))), x_] :> Simp[(b*g - a*h)/(b*c - a*d) Int[(e + f*x)^ p/(a + b*x), x], x] - Simp[(d*g - c*h)/(b*c - a*d) Int[(e + f*x)^p/(c + d *x), x], x] /; FreeQ[{a, b, c, d, e, f, g, h}, x]
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(Rt[-a/b, 2]/a)*ArcTanh[x /Rt[-a/b, 2]], x] /; FreeQ[{a, b}, x] && NegQ[a/b]
Int[(u_.)*((a_) + (b_.)*(x_)^(n_))^(p_.)*((c_) + (d_.)*(x_)^(n_))^(q_.), x_ Symbol] :> Simp[(b/d)^p Int[u*(c + d*x^n)^(p + q), x], x] /; FreeQ[{a, b, c, d, n, p, q}, x] && EqQ[b*c - a*d, 0] && IntegerQ[p] && !(IntegerQ[q] & & SimplerQ[a + b*x^n, c + d*x^n])
Int[((a_) + (b_.)*(x_)^(n_))^(p_.)*((c_) + (d_.)*(x_)^(n_))^(q_.), x_Symbol ] :> -Subst[Int[(a + b/x^n)^p*((c + d/x^n)^q/x^2), x], x, 1/x] /; FreeQ[{a, b, c, d, p, q}, x] && NeQ[b*c - a*d, 0] && ILtQ[n, 0]
Int[((c_) + (d_.)*(x_)^(mn_.))^(q_.)*((a_.) + (b_.)*(x_)^(n_.))^(p_.)*((e_) + (f_.)*(x_)^(n_.))^(r_.), x_Symbol] :> Int[x^(n*(p + r))*(b + a/x^n)^p*(c + d/x^n)^q*(f + e/x^n)^r, x] /; FreeQ[{a, b, c, d, e, f, n, q}, x] && EqQ[ mn, -n] && IntegerQ[p] && IntegerQ[r]
Int[E^(ArcTanh[(a_.)*(x_)]*(n_))*(u_.)*((c_) + (d_.)/(x_))^(p_), x_Symbol] :> Int[u*(c + d/x)^p*((1 + a*x)^(n/2)/(1 - a*x)^(n/2)), x] /; FreeQ[{a, c, d, p}, x] && EqQ[c^2 - a^2*d^2, 0] && !IntegerQ[p] && IntegerQ[n/2] && !G tQ[c, 0]
Leaf count of result is larger than twice the leaf count of optimal. \(194\) vs. \(2(94)=188\).
Time = 0.24 (sec) , antiderivative size = 195, normalized size of antiderivative = 1.73
method | result | size |
risch | \(-\frac {\left (a^{2} x^{2}-3 a x +2\right ) c \sqrt {\frac {c \left (a x -1\right )}{a x}}}{a \left (a x -1\right )}-\frac {\left (-\frac {7 a \ln \left (\frac {-\frac {1}{2} a c +a^{2} c x}{\sqrt {a^{2} c}}+\sqrt {a^{2} c \,x^{2}-a c x}\right )}{2 \sqrt {a^{2} c}}-\frac {4 \sqrt {2}\, \ln \left (\frac {4 c -3 \left (x +\frac {1}{a}\right ) a c +2 \sqrt {2}\, \sqrt {c}\, \sqrt {\left (x +\frac {1}{a}\right )^{2} a^{2} c -3 \left (x +\frac {1}{a}\right ) a c +2 c}}{x +\frac {1}{a}}\right )}{\sqrt {c}}\right ) c \sqrt {c \left (a x -1\right ) a x}\, \sqrt {\frac {c \left (a x -1\right )}{a x}}}{a \left (a x -1\right )}\) | \(195\) |
default | \(-\frac {\sqrt {\frac {c \left (a x -1\right )}{a x}}\, c \left (-10 \sqrt {a \,x^{2}-x}\, a^{\frac {3}{2}} \sqrt {\frac {1}{a}}\, x^{2}+8 a^{\frac {3}{2}} \sqrt {\frac {1}{a}}\, \sqrt {x \left (a x -1\right )}\, x^{2}+4 \left (a \,x^{2}-x \right )^{\frac {3}{2}} \sqrt {a}\, \sqrt {\frac {1}{a}}+5 \ln \left (\frac {2 \sqrt {a \,x^{2}-x}\, \sqrt {a}+2 a x -1}{2 \sqrt {a}}\right ) \sqrt {\frac {1}{a}}\, a \,x^{2}-8 \sqrt {a}\, \sqrt {2}\, \ln \left (\frac {2 \sqrt {2}\, \sqrt {\frac {1}{a}}\, \sqrt {x \left (a x -1\right )}\, a -3 a x +1}{a x +1}\right ) x^{2}-12 \ln \left (\frac {2 \sqrt {x \left (a x -1\right )}\, \sqrt {a}+2 a x -1}{2 \sqrt {a}}\right ) \sqrt {\frac {1}{a}}\, a \,x^{2}\right )}{2 x \,a^{\frac {3}{2}} \sqrt {x \left (a x -1\right )}\, \sqrt {\frac {1}{a}}}\) | \(229\) |
Input:
int((c-c/a/x)^(3/2)/(a*x+1)^2*(-a^2*x^2+1),x,method=_RETURNVERBOSE)
Output:
-(a^2*x^2-3*a*x+2)*c/a*(c*(a*x-1)/a/x)^(1/2)/(a*x-1)-(-7/2*a*ln((-1/2*a*c+ a^2*c*x)/(a^2*c)^(1/2)+(a^2*c*x^2-a*c*x)^(1/2))/(a^2*c)^(1/2)-4*2^(1/2)/c^ (1/2)*ln((4*c-3*(x+1/a)*a*c+2*2^(1/2)*c^(1/2)*((x+1/a)^2*a^2*c-3*(x+1/a)*a *c+2*c)^(1/2))/(x+1/a)))*c/a*(c*(a*x-1)*a*x)^(1/2)*(c*(a*x-1)/a/x)^(1/2)/( a*x-1)
Time = 0.10 (sec) , antiderivative size = 248, normalized size of antiderivative = 2.19 \[ \int e^{-2 \text {arctanh}(a x)} \left (c-\frac {c}{a x}\right )^{3/2} \, dx=\left [\frac {8 \, \sqrt {2} c^{\frac {3}{2}} \log \left (\frac {2 \, \sqrt {2} a \sqrt {c} x \sqrt {\frac {a c x - c}{a x}} - 3 \, a c x + c}{a x + 1}\right ) + 7 \, c^{\frac {3}{2}} \log \left (-2 \, a c x - 2 \, a \sqrt {c} x \sqrt {\frac {a c x - c}{a x}} + c\right ) - 2 \, {\left (a c x - 2 \, c\right )} \sqrt {\frac {a c x - c}{a x}}}{2 \, a}, \frac {8 \, \sqrt {2} \sqrt {-c} c \arctan \left (\frac {\sqrt {2} a \sqrt {-c} x \sqrt {\frac {a c x - c}{a x}}}{a c x - c}\right ) - 7 \, \sqrt {-c} c \arctan \left (\frac {a \sqrt {-c} x \sqrt {\frac {a c x - c}{a x}}}{a c x - c}\right ) - {\left (a c x - 2 \, c\right )} \sqrt {\frac {a c x - c}{a x}}}{a}\right ] \] Input:
integrate((c-c/a/x)^(3/2)/(a*x+1)^2*(-a^2*x^2+1),x, algorithm="fricas")
Output:
[1/2*(8*sqrt(2)*c^(3/2)*log((2*sqrt(2)*a*sqrt(c)*x*sqrt((a*c*x - c)/(a*x)) - 3*a*c*x + c)/(a*x + 1)) + 7*c^(3/2)*log(-2*a*c*x - 2*a*sqrt(c)*x*sqrt(( a*c*x - c)/(a*x)) + c) - 2*(a*c*x - 2*c)*sqrt((a*c*x - c)/(a*x)))/a, (8*sq rt(2)*sqrt(-c)*c*arctan(sqrt(2)*a*sqrt(-c)*x*sqrt((a*c*x - c)/(a*x))/(a*c* x - c)) - 7*sqrt(-c)*c*arctan(a*sqrt(-c)*x*sqrt((a*c*x - c)/(a*x))/(a*c*x - c)) - (a*c*x - 2*c)*sqrt((a*c*x - c)/(a*x)))/a]
\[ \int e^{-2 \text {arctanh}(a x)} \left (c-\frac {c}{a x}\right )^{3/2} \, dx=- \int \left (- \frac {2 c \sqrt {c - \frac {c}{a x}}}{a x + 1}\right )\, dx - \int \frac {c \sqrt {c - \frac {c}{a x}}}{a^{2} x^{2} + a x}\, dx - \int \frac {a c x \sqrt {c - \frac {c}{a x}}}{a x + 1}\, dx \] Input:
integrate((c-c/a/x)**(3/2)/(a*x+1)**2*(-a**2*x**2+1),x)
Output:
-Integral(-2*c*sqrt(c - c/(a*x))/(a*x + 1), x) - Integral(c*sqrt(c - c/(a* x))/(a**2*x**2 + a*x), x) - Integral(a*c*x*sqrt(c - c/(a*x))/(a*x + 1), x)
\[ \int e^{-2 \text {arctanh}(a x)} \left (c-\frac {c}{a x}\right )^{3/2} \, dx=\int { -\frac {{\left (a^{2} x^{2} - 1\right )} {\left (c - \frac {c}{a x}\right )}^{\frac {3}{2}}}{{\left (a x + 1\right )}^{2}} \,d x } \] Input:
integrate((c-c/a/x)^(3/2)/(a*x+1)^2*(-a^2*x^2+1),x, algorithm="maxima")
Output:
-integrate((a^2*x^2 - 1)*(c - c/(a*x))^(3/2)/(a*x + 1)^2, x)
Exception generated. \[ \int e^{-2 \text {arctanh}(a x)} \left (c-\frac {c}{a x}\right )^{3/2} \, dx=\text {Exception raised: TypeError} \] Input:
integrate((c-c/a/x)^(3/2)/(a*x+1)^2*(-a^2*x^2+1),x, algorithm="giac")
Output:
Exception raised: TypeError >> an error occurred running a Giac command:IN PUT:sage2:=int(sage0,sageVARx):;OUTPUT:sym2poly/r2sym(const gen & e,const index_m & i,const vecteur & l) Error: Bad Argument Value
Timed out. \[ \int e^{-2 \text {arctanh}(a x)} \left (c-\frac {c}{a x}\right )^{3/2} \, dx=-\int \frac {{\left (c-\frac {c}{a\,x}\right )}^{3/2}\,\left (a^2\,x^2-1\right )}{{\left (a\,x+1\right )}^2} \,d x \] Input:
int(-((c - c/(a*x))^(3/2)*(a^2*x^2 - 1))/(a*x + 1)^2,x)
Output:
-int(((c - c/(a*x))^(3/2)*(a^2*x^2 - 1))/(a*x + 1)^2, x)
Time = 0.15 (sec) , antiderivative size = 139, normalized size of antiderivative = 1.23 \[ \int e^{-2 \text {arctanh}(a x)} \left (c-\frac {c}{a x}\right )^{3/2} \, dx=\frac {\sqrt {c}\, c \left (-4 \sqrt {x}\, \sqrt {a}\, \sqrt {a x -1}\, a x +8 \sqrt {x}\, \sqrt {a}\, \sqrt {a x -1}-16 \sqrt {2}\, \mathrm {log}\left (\sqrt {a x -1}+\sqrt {x}\, \sqrt {a}-\sqrt {2}\, i +i \right ) a x -16 \sqrt {2}\, \mathrm {log}\left (\sqrt {a x -1}+\sqrt {x}\, \sqrt {a}+\sqrt {2}\, i -i \right ) a x +16 \sqrt {2}\, \mathrm {log}\left (2 \sqrt {x}\, \sqrt {a}\, \sqrt {a x -1}+2 \sqrt {2}+2 a x +2\right ) a x +28 \,\mathrm {log}\left (\sqrt {a x -1}+\sqrt {x}\, \sqrt {a}\right ) a x +7 a x \right )}{4 a^{2} x} \] Input:
int((c-c/a/x)^(3/2)/(a*x+1)^2*(-a^2*x^2+1),x)
Output:
(sqrt(c)*c*( - 4*sqrt(x)*sqrt(a)*sqrt(a*x - 1)*a*x + 8*sqrt(x)*sqrt(a)*sqr t(a*x - 1) - 16*sqrt(2)*log(sqrt(a*x - 1) + sqrt(x)*sqrt(a) - sqrt(2)*i + i)*a*x - 16*sqrt(2)*log(sqrt(a*x - 1) + sqrt(x)*sqrt(a) + sqrt(2)*i - i)*a *x + 16*sqrt(2)*log(2*sqrt(x)*sqrt(a)*sqrt(a*x - 1) + 2*sqrt(2) + 2*a*x + 2)*a*x + 28*log(sqrt(a*x - 1) + sqrt(x)*sqrt(a))*a*x + 7*a*x))/(4*a**2*x)